Inadequate cell nutrition around vessels causes degeneration of tunica adventitia.
血管周围细胞的营养不足，引起外膜的变性。
This paper reviewed the application of biotechnology in animal nutrition from the aspects of gene project, microorganism project and cell project.
本文从基因工程、微生物工程、细胞工程等方面综述了生物技术在动物营养应用研究方面情况。
The filament possesses oblate cell for nutrition and heterocyst.
藻丝的营养细胞是扁平的，具异形胞。
应用推荐